Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 59 / 248

Configuring for APCI mode 3-15
3. Tighten the probe locking ring to secure the probe in place.
Tip:
An automatic pressure test is performed when the probe is correctly
seated in position.
APCI probe mounted on the source enclosure:
4. Open the access door to the IntelliStart Fluidics system (see the figure
page 1-12 ).
5. Using a long “finger-tight” fitting, connect 0.004-inch ID (or greater)
tubing, from port 2 (the top port) of the diverter valve to the APCI probe,
where you use a PEEK, “finger-tight” nut and ferrule to connect to the
union.
Warning:
To avoid electric shock, do not use stainless steel tubing
to connect the diverter valve to the APCI probe; use the PEEK
tubing supplied with the instrument.
TP03128
APCI probe
Vernier probe adjuster
Probe locking ring
Source window
Source enclosure
release
Vertical probe
adjuster